utils.js
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/**
* Created by DEV005 on 2017/8/31.
*/
import React, { Component } from 'react';
import { BackHandler,AppState,StyleSheet,View,Text
, NativeModules,AsyncStorage,NavigationActions,
ActivityIndicator,TouchableOpacity,Image,Touch,Platform,Dimensions
} from 'react-native';
import Toast from 'react-native-root-toast';
import AppService from "../service/AppService";
/**
* 冒一个时间比较短的Toast
* @param content
*/
export const xnToast = (content) => {
if (global.toast !== undefined) {
Toast.hide(toast);
};
global.toast = Toast.show(content.toString(), {
duration: Toast.durations.LONG,
position: Toast.positions.CENTER,
shadow: true,
animation: true,
hideOnPress: true,
delay: 0
});
};
export const formatStringWithHtml = (originString) => {
if (originString === undefined) {
return '';
}
const newString = originString
.replace(/ /g, ' ')
.replace(/"/g, '"')
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>');
return newString;
};
// 获取主题色
export function getHomeColor(){
if(global.homeColor == undefined){
// #8A0886 紫色测试
global.homeColor = "#3399ff";
return String(global.homeColor);
}else{
return String(global.homeColor);
}
}
// 获取app传入的配置参数,这个方法只需要调用一次
export async function getConfigTheme(){
try {
var result= await NativeModules.system.configTheme();
global.isNew = true;
global.role = (JSON.parse(result).role ||"" ).toString();
global.homeColor = (JSON.parse(result).themeColor ||"#3399ff").toString();
global.weChatBySmallProgramAppId = (JSON.parse(result).WeChatBySmallProgramAppId ||"" ).toString();
if(Platform.OS === 'ios'){
global.showWchatShare = JSON.parse(result).showWchatShare || false;
}else{
global.showWchatShare = JSON.parse(result).showWchatShare || false;
}
// 是否是导航进入
global.navigateMode = JSON.parse(result).navigateMode || false;
if(global.navigateMode === 'true' || global.navigateMode == true){
global.navigateMode = true;
}else{
global.navigateMode = false;
}
// app分支,默认配置为测试环境
global.appTarget = (JSON.parse(result).appTarget ||"xntalkTest" ).toString();
}catch(e){
global.isNew = false;
// #8A0886 紫色测试
global.homeColor = "#3399ff";
global.showWchatShare = false;
global.navigateMode = false;
}finally{
console.log('getConfigTheme 完成!!!');
console.log(global.appTarget);
console.log('-----------------------');
console.log(global);
}
}
export function isIphoneX() {
let dimen = Dimensions.get('window');
return (
Platform.OS === 'ios' &&
!Platform.isPad &&
!Platform.isTVOS &&
(dimen.height === 812 || dimen.width === 812)
);
}
export function isIphoneMax() {
let dimen = Dimensions.get('window');
return (
Platform.OS === 'ios' &&
!Platform.isPad &&
!Platform.isTVOS &&
(dimen.height > 812 || dimen.width > 812)
);
}
export function getHeaderHeight() {
if( Platform.OS === 'android'){
return 48;
}else if(Platform.OS === 'ios') {
if(isIphoneX()){
return 88;
}else {
return 64;
}
}
}
export function xnBorderWidth() {
if(isIphoneX()){
return 1;
}else if(isIphoneMax()){
return 1;
} else {
return 0.5;
}
}
export function getHeaderPadding() {
if( Platform.OS === 'android'){
return 0;
}else if(Platform.OS === 'ios') {
if(isIphoneX()){
return 44;
}else {
return 20;
}
}
}
export function getFooterBottom() {
if( Platform.OS === 'android'){
return 0;
}else if(Platform.OS === 'ios') {
if(isIphoneX()){
return 0;
}else if(isIphoneMax()){
return 34;
}else{
return 0;
}
}
}
export function toPersonalPageWithUserId(userId){
if(!!!userId){
xnToast('无法与该用户私信');
}else if(userId == global.userId){
xnToast('不能与自己私信');
}else{
let _this = this;
let vm = {
userId: userId,
};
AppService.getUnionByUserId(vm).then(data => {
if (data.errors == null || data.errors.length > 0) {
xnToast(data.errors[0].message);
return
}
console.log(data);
if(!!data.union){
let union = data.union;
if(!!union.imId){
NativeModules.system.presentPersonal(union.imId);
}else{
xnToast('无法与该用户私信');
}
}else{
xnToast('无法与该用户私信');
}
});
}
}
//代码如下所示:
export function convertCurrency(money) {
//汉字的数字
var cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
//基本单位
var cnIntRadice = new Array('', '拾', '佰', '仟');
//对应整数部分扩展单位
var cnIntUnits = new Array('', '万', '亿', '兆');
//对应小数部分单位
var cnDecUnits = new Array('角', '分', '毫', '厘');
//整数金额时后面跟的字符
var cnInteger = '整';
//整型完以后的单位
var cnIntLast = '元';
//最大处理的数字
var maxNum = 999999999999999.9999;
//金额整数部分
var integerNum;
//金额小数部分
var decimalNum;
//输出的中文金额字符串
var chineseStr = '';
//分离金额后用的数组,预定义
var parts;
if (money == '') { return ''; }
money = parseFloat(money);
if (money >= maxNum) {
//超出最大处理数字
return '';
}
if (money == 0) {
chineseStr = cnNums[0] + cnIntLast + cnInteger;
return chineseStr;
}
//转换为字符串
money = money.toString();
if (money.indexOf('.') == -1) {
integerNum = money;
decimalNum = '';
} else {
parts = money.split('.');
integerNum = parts[0];
decimalNum = parts[1].substr(0, 4);
}
//获取整型部分转换
if (parseInt(integerNum, 10) > 0) {
var zeroCount = 0;
var IntLen = integerNum.length;
for (var i = 0; i < IntLen; i++) {
var n = integerNum.substr(i, 1);
var p = IntLen - i - 1;
var q = p / 4;
var m = p % 4;
if (n == '0') {
zeroCount++;
} else {
if (zeroCount > 0) {
chineseStr += cnNums[0];
}
//归零
zeroCount = 0;
chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
}
if (m == 0 && zeroCount < 4) {
chineseStr += cnIntUnits[q];
}
}
chineseStr += cnIntLast;
}
//小数部分
if (decimalNum != '') {
var decLen = decimalNum.length;
for (var i = 0; i < decLen; i++) {
var n = decimalNum.substr(i, 1);
if (n != '0') {
chineseStr += cnNums[Number(n)] + cnDecUnits[i];
}
}
}
if (chineseStr == '') {
chineseStr += cnNums[0] + cnIntLast + cnInteger;
} else if (decimalNum == '') {
chineseStr += cnInteger;
}
return chineseStr;
}
/**
* add by hongpeng_dong 2007.05.12
* 验证金额,成绩等可以带小数点数字的格式
* @param str(要验证的字符串) num1(整数部分允许的最大长度) num2(小数点后允许的最大长度)
* num1 num2 要求均为大于0的正整数 否则直接返回false
* @return 格式正确true 不正确false
* (正确格式可以为不含小数点的正整数,长度最大为传入的数值;如果str为空,返回true)
*/
export function validateResult(str,num1,num2){
if('' == trim(str))
return true;
if(num1 ==0 || num2 == 0)
return false;
var v1 = '';
var v2 = '';
if(num1 != 1)
v1=',' + num1;
if(num2 != 1)
v2 = ','+num2;
var re = new RegExp('\(^[0-9]{1'+v1+'}\\.[0-9]{1'+v2+'}$)|(^[0-9]{1'+v1+'}$)');
return re.test(str);
}
export function isNotANumber(inputData) {
if (parseFloat(inputData).toString() == "NaN") {
//alert(“请输入数字……”);
return false;
} else {
return true;
}
}
export function isJSONString(str) {
if (!!!str) {
return false;
}
try {
let obj = JSON.parse(str);
return !!obj && typeof obj === 'object';
} catch (e) {
return false;
}
}
export function isIdCard(cardid) {
var format = /^(([1][1-5])|([2][1-3])|([3][1-7])|([4][1-6])|([5][0-4])|([6][1-5])|([7][1])|([8][1-2]))\d{4}(([1][9]\d{2})|([2]\d{3}))(([0][1-9])|([1][0-2]))(([0][1-9])|([1-2][0-9])|([3][0-1]))\d{3}[0-9xX]$/;
//号码规则校验
if (!format.test(cardid)) {
return false;
}
//区位码校验
//出生年月日校验 前正则限制起始年份为1900;
var year = cardid.substr(6,4),//身份证年
month = cardid.substr(10,2),//身份证月
date = cardid.substr(12,2),//身份证日
time = Date.parse(month+'-'+date+'-'+year),//身份证日期时间戳date
now_time = Date.parse(new Date()),//当前时间戳
dates = (new Date(year,month,0)).getDate();//身份证当月天数
if(time>now_time||date>dates){
return false
}
//校验码判断
var c = new Array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2); //系数
var b = new Array('1','0','X','9','8','7','6','5','4','3','2'); //校验码对照表
var id_array = cardid.split("");
var sum = 0;
for(var k=0;k<17;k++){
sum+=parseInt(id_array[k])*parseInt(c[k]);
}
if(id_array[17].toUpperCase() != b[sum%11].toUpperCase()){
return false;
}
return true;
}
export function Calculate(expression) {
//this.showArea = document.getElementById("show");
this.expression = expression;
/*this.clean = function() {
this.showArea.value = '0';
this.expression = '';
};*/
/*this.deleteNumber = function() {
this.expression = this.expression.substring(0,this.expression.length-1);
this.showArea.value = this.expression;
};
this.showExpression = function(expression) {
this.expression += expression;
this.showArea.value = this.expression;
};*/
/**
* first step we should remove bracket
* second step we should remove Multiplic and Division
* the last step just remove plus and minus,and then result out
* @returns {undefined}
*/
this.calculateResult = function() {
// this.expression = "1.1+(2.1*3)-(((2.2*3)*((1.1+2.2)/3.3)-3.4*6)-(3.5*6))+3.6";
// 表达式中包含字符
if (this.hasUpperLowerChat(expression)) {
this.expression = '';
return this.expression;
}
if (!this.checkOperator(this.expression) || !this.checkFloat(this.expression)) {
this.expression = '';
return this.expression;
}
if(this.hasBracket(this.expression)) {
if (!this.checkBracket(this.expression)) {
this.expression = '';
return this.expression;
}
this.expression = this.removeBracket(this.expression);
}
if (this.hasMultiplicOrDivision(this.expression)) {
this.expression = this.removeMultiplicOrDivision(this.expression);
}
if(this.hasPlusOrMinus(this.expression)) {
this.expression = this.plusOrMinus(this.expression);
}
//this.expression = '';
return this.expression;
};
/**
*
* @param {type} expression
* @returns {undefined|Boolean}
* 检查运算符是否合法,第一个字符是除“-”意外的运算符都是非法的,最后一个字符是运算符,也是非法的;
* 检查是否含有不合法的多运算符 “**”,“*\/”,"*+","*-","+*","++","+\/"以及两以上的连续运算符都是不允许的
* 在多运算符里面除了 “--”,“+-”都是不合法的多运算符
*/
this.checkOperator = function(expression) {
/**
* (^[\+\*\/])|([\+\-\*\/]$) 匹配首字符或是最后一个字符是不是运算符
* ([\+\-\*\/][\+\*\/]+) [+,*,-,/]搭配一个或是多个[+,*,/]
* ([\*\/](\-)+) [*,/]搭配一个或是多个[-]
* ([\+\-](\-){2,}) [+,-]搭配两个以上的[-]
* @type RegExp
*/
var reg = /(^[\+\*\/])|([\+\-\*\/]$)|([\+\-\*\/][\+\*\/]+)|([\*\/](\-)+)|([\+\-](\-){2,})/;
if(reg.test(expression)) {
return false;
}
return true;
};
/**
*
* @param {type} expression
* @returns {undefined}
* 检查“.”是否在正确位置,".+","+.","^.",".$","2.2.3.4.5","..","..."都是不允许的。
*/
this.checkFloat = function (expression) {
/**
* (^\.)|(\.$) expression以.开头或结尾
* ([\+\-\*\/]\.)|(\.[\+\-\*\/]) expression出现".+","+."等情况
* ((\d+\.+){2,}\d*) expression出现"2.2.3.4.5","..","..."等情况
*/
var reg = /(^\.)|(\.$)|([\+\-\*\/]\.)|(\.[\+\-\*\/])|((\d+\.+){2,}\d*)/;
if (reg.test(expression)) {
return false;
}
return true;
};
/**
*
* @param {type} expression
* @returns {@this;@call;removeBracket}
* make sure the expression has bracket
*/
this.hasBracket = function(expression) {
var hasBraketReg = /(\(|\))/; //查看表达expression中是否有();
if (hasBraketReg.test(expression)) {
return true;
}
return false;
};
/**
* 检测表达式中是否有字符串
* @param expression
*/
this.hasUpperLowerChat = function (expression) {
var hasUpperReg = /(.*[A-Z]+.*)/;
if (hasUpperReg.test(expression)) {
return true;
}
var hasLowerReg = /(.*[Aa-z]+.*)/;
if (hasLowerReg.test(expression)) {
return true
}
return false;
};
/**
* 检查表达式中的输入的括号输入正确;
* 1.括号必须与运算符号连接在一起 既“3(”,“(*3”,“3*)”,“)3”,".)",".(","(.",").",是不允许的
* 2.左括号的数量必须等于右括号的数量
* @param {type} expression
* @returns {undefined}
*/
this.checkBracket = function(expression) {
var reg = /([\d\.]\()|(\)[\d\.])|(\([\+\-\*\/\.])|([\+\-\*\/\.]\))/;
if (reg.test(expression)) {
return false;
}
var leftBracket = 0, rightBracket = 0;
for (var i = 0; i < expression.length; i++) {
if (expression.charAt(i) === "(") {
leftBracket++;
} else if(expression.charAt(i) === ")") {
rightBracket++;
}
}
if (!(leftBracket === rightBracket)) {
return false;
}
return true;
};
/**
*
* @param {type} expression
* remove bracket;
* @returns {undefined}
*/
this.removeBracket = function(expression) {
var regMatch = /\([^\(\)]+\)/g; //这个正则表达式匹配最里面的一层括号,既(这里面是不能包含“(”或是“)”的)
var childExpression = expression.match(regMatch);
var mySign = "&mySign&"; //用一个特殊标记记录等会需要替换的位置
var replaceExpression = expression.replace(regMatch,mySign);
var subExpression = "";
for(var i = 0; i < childExpression.length; i++) {
subExpression = childExpression[i].substring(1,childExpression[i].length-1);
if (this.hasMultiplicOrDivision(subExpression)) {
subExpression = this.removeMultiplicOrDivision(subExpression);
}
if (this.hasPlusOrMinus(subExpression)) {
subExpression = this.plusOrMinus(subExpression);
}
replaceExpression = replaceExpression.replace(mySign,subExpression);
}
expression = replaceExpression;
if(this.hasBracket(expression)) {
expression = this.removeBracket(expression);
} else {
return expression;
}
return expression;
};
/**
*
* @param {type} expression
* @returns {@this;@call;removeMultiplicOrDivision}
* make sure the expression with Multiplic Or Division
*/
this.hasMultiplicOrDivision = function(expression) {
var hasMultiplicOrDivisionReg = /(\*|\/)/;
if (hasMultiplicOrDivisionReg.test(expression)) {
return true;
};
return false;
};
/**
*
* @param {type} expression
* remove Multiplic and Division
* @returns {unresolved}
*/
this.removeMultiplicOrDivision = function(expression) {
// var expression = "1-13*2+3*456/3*15*8/5*4-50-40+32*2/16"; //test data
var regMatch = /((\d+\.?\d*)(\*|\/))+(\d+\.?\d*)/g;
var childResult = "";
var childExpression = expression.match(regMatch);
var mySign = "&mySign&"; //用一个特殊标记记录等会需要替换的位置
var replaceExpression = expression.replace(regMatch,mySign);
for(var i = 0; i < childExpression.length; i++) {
childResult = this.multiplicOrDivision(childExpression[i]);
replaceExpression = replaceExpression.replace(mySign,childResult);
}
expression = replaceExpression;
return expression;
};
this.multiplicOrDivision = function(expression) {
var regNumber = /\d+\.?\d*/g;
var regOperator = /(\*|\/)/g;
var arrNumbers = expression.match(regNumber);
var arrOperators = expression.match(regOperator);
var calResult = parseFloat(arrNumbers[0]);
for (var i = 0; i < arrOperators.length; i++) {
if (arrOperators[i] === '*') {
calResult *= parseFloat(arrNumbers[i+1]);
} else {
calResult /= parseFloat(arrNumbers[i+1]);
}
}
return calResult;
};
this.hasPlusOrMinus = function(expression) {
var hasPlusOrMinusReg = /(\+|\-)/;
if (hasPlusOrMinusReg.test(expression)) {
return true;
};
return false;
};
/**
*
* @param {type} expression
* this is the last step , just has plus or minus , after we done this step, the result out
* @returns {Calculate.plusOrMinus.calResult}
*/
this.plusOrMinus = function(expression) {
/**
* 如果第一个字符是“-”号,就在expression前面加上一个0即可
*/
if (expression.charAt(0) === "-") {
expression = 0 + expression;
}
var doubleMinusReg = /\-\-/; //减去一个负数,等于加一个正数
if (doubleMinusReg.test(expression)) {
expression = expression.replace(doubleMinusReg,"+");
}
doubleMinusReg = /\+\-/; //加上一负数,等于减去一个正数
if (doubleMinusReg.test(expression)) {
expression = expression.replace(doubleMinusReg,"-");
}
var regNumber = /\d+\.?\d*/g;
var regOperator = /(\+|\-)/g;
var arrNumbers = expression.match(regNumber);
var arrOperators = expression.match(regOperator);
var calResult = parseFloat(arrNumbers[0]);
for (var i = 0; i < arrOperators.length; i++) {
if (arrOperators[i] === '+') {
calResult += parseFloat(arrNumbers[i+1]);
} else {
calResult -= parseFloat(arrNumbers[i+1]);
}
}
return calResult;
};
}
export function LTrim(str)
{
var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(0)) != -1)
{
var j=0, i = s.length;
while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
{
j++;
}
s = s.substring(j, i);
}
return s;
}
export function RTrim(str)
{
var whitespace = new String(" \t\n\r");
var s = new String(str);
if (whitespace.indexOf(s.charAt(s.length-1)) != -1)
{
var i = s.length - 1;
while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
{
i--;
}
s = s.substring(0, i+1);
}
return s;
}
export function trim(str)
{
return RTrim(LTrim(str));
}
const xnUtils={
xnToast:xnToast,
isIphoneX:isIphoneX,
getHeaderHeight:getHeaderHeight,
getHeaderPadding:getHeaderPadding,
getFooterBottom:getFooterBottom,
xnBorderWidth:xnBorderWidth,
}
export default xnUtils;